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authorLinus Torvalds <torvalds@linux-foundation.org>2009-09-24 07:55:29 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-24 07:55:29 -0700
commita487b6705a811087c182c8cab7e3b5845dfa6ccb (patch)
treec9c1e41b7105b5ac9de7a74416d15f12433ed6ff /drivers/md/raid1.c
parent9f6ac7850a9c6363f4117fd2248e232a2d534627 (diff)
parent4b3df5668c8ebaebd8d66a5a94374be3e3b2ef0c (diff)
Merge branch 'for-linus' of git://neil.brown.name/md
* 'for-linus' of git://neil.brown.name/md: (97 commits) md: raid-1/10: fix RW bits manipulation md: remove unnecessary memset from multipath. md: report device as congested when suspended md: Improve name of threads created by md_register_thread md: remove sparse warnings about lock context. md: remove sparse waring "symbol xxx shadows an earlier one" async_tx/raid6: add missing dma_unmap calls to the async fail case ioat3: fix uninitialized var warnings drivers/dma/ioat/dma_v2.c: fix warnings raid6test: fix stack overflow ioat2: clarify ring size limits md/raid6: cleanup ops_run_compute6_2 md/raid6: eliminate BUG_ON with side effect dca: module load should not be an error message ioat: driver version 4.0 dca: registering requesters in multiple dca domains async_tx: remove HIGHMEM64G restriction dmaengine: sh: Add Support SuperH DMA Engine driver dmaengine: Move all map_sg/unmap_sg for slave channel to its client fsldma: Add DMA_SLAVE support ...
Diffstat (limited to 'drivers/md/raid1.c')
-rw-r--r--drivers/md/raid1.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index ff7ed333599..d1b9bd5fd4f 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -576,6 +576,9 @@ static int raid1_congested(void *data, int bits)
conf_t *conf = mddev->private;
int i, ret = 0;
+ if (mddev_congested(mddev, bits))
+ return 1;
+
rcu_read_lock();
for (i = 0; i < mddev->raid_disks; i++) {
mdk_rdev_t *rdev = rcu_dereference(conf->mirrors[i].rdev);
@@ -851,7 +854,7 @@ static int make_request(struct request_queue *q, struct bio * bio)
read_bio->bi_sector = r1_bio->sector + mirror->rdev->data_offset;
read_bio->bi_bdev = mirror->rdev->bdev;
read_bio->bi_end_io = raid1_end_read_request;
- read_bio->bi_rw = READ | do_sync;
+ read_bio->bi_rw = READ | (do_sync << BIO_RW_SYNCIO);
read_bio->bi_private = r1_bio;
generic_make_request(read_bio);
@@ -943,7 +946,8 @@ static int make_request(struct request_queue *q, struct bio * bio)
mbio->bi_sector = r1_bio->sector + conf->mirrors[i].rdev->data_offset;
mbio->bi_bdev = conf->mirrors[i].rdev->bdev;
mbio->bi_end_io = raid1_end_write_request;
- mbio->bi_rw = WRITE | do_barriers | do_sync;
+ mbio->bi_rw = WRITE | (do_barriers << BIO_RW_BARRIER) |
+ (do_sync << BIO_RW_SYNCIO);
mbio->bi_private = r1_bio;
if (behind_pages) {
@@ -1623,7 +1627,8 @@ static void raid1d(mddev_t *mddev)
conf->mirrors[i].rdev->data_offset;
bio->bi_bdev = conf->mirrors[i].rdev->bdev;
bio->bi_end_io = raid1_end_write_request;
- bio->bi_rw = WRITE | do_sync;
+ bio->bi_rw = WRITE |
+ (do_sync << BIO_RW_SYNCIO);
bio->bi_private = r1_bio;
r1_bio->bios[i] = bio;
generic_make_request(bio);
@@ -1672,7 +1677,7 @@ static void raid1d(mddev_t *mddev)
bio->bi_sector = r1_bio->sector + rdev->data_offset;
bio->bi_bdev = rdev->bdev;
bio->bi_end_io = raid1_end_read_request;
- bio->bi_rw = READ | do_sync;
+ bio->bi_rw = READ | (do_sync << BIO_RW_SYNCIO);
bio->bi_private = r1_bio;
unplug = 1;
generic_make_request(bio);
@@ -2047,7 +2052,7 @@ static int run(mddev_t *mddev)
conf->last_used = j;
- mddev->thread = md_register_thread(raid1d, mddev, "%s_raid1");
+ mddev->thread = md_register_thread(raid1d, mddev, NULL);
if (!mddev->thread) {
printk(KERN_ERR
"raid1: couldn't allocate thread for %s\n",